<template>
  <div>
    <Header></Header>
    <CitySearch :cities="cities"></CitySearch>
    <CityList :cities="cities" :hotCities="hotCities" :letter="letter"></CityList>
    <CityAlphabet :cities="cities" @change="handleLetterChange"></CityAlphabet>
  </div>
</template>
<script>
import Header from './components/Header.vue'
import CitySearch from './components/Search.vue'
import CityList from './components/List.vue'
import CityAlphabet from './components/Alphabet.vue'
import axios from 'axios'
export default {
  name: 'City',
  components: {
    Header,
    CitySearch,
    CityList,
    CityAlphabet
  },
  data() {
    return {
      cities: {},
      hotCities: [],
      letter: ''
    }
  },
  mounted() {
    this.getCityInfo()
  },
  methods: {
    getCityInfo() {
      axios.get('/api/city.json').then(this.handleGetCityInfoSucc)
    },
    handleGetCityInfoSucc(res) {
      res = res.data
      if (res.ret && res.data) {
        const data = res.data
        this.cities = data.cities
        this.hotCities = data.hotCities
      }
    },
    handleLetterChange(letter) {
      this.letter = letter
    }
  }
}
</script>
<style lang="less" scoped></style>
